TABLE 2.
Susceptibilities of the E. coli strains tested to amoxicillin-clavulanate, amoxicillin, and piperacillin, as determined by the microdilution methoda
| E. coli strain | MIC (μg/ml)
|
MBC (μg/ml)
|
||||
|---|---|---|---|---|---|---|
| AMX | AMCb | PIP | AMX | AMCb | PIP | |
| LLP | >256 | 4 | 64 | >256 | 4 | 64 |
| ILP | ||||||
| 425 | >256 | 16 | >256 | >256 | 16 | >256 |
| 8425 | >256 | 8 | >256 | >256 | 16 | >256 |
| HLP | >256 | >256 | >256 | >256 | >256 | >256 |
a
Abbreviations: AMX, amoxicillin; AMC, amoxicillin-clavulante; PIP, piperacillin.
b
Tested with 2 μg of clavulanate per ml and expressed as the concentration of amoxicillin.